加密

application/api/untils/CouponNoEncodingUntils.php

+<?php
+namespace app\api\untils;
+/**
+ * Created by PhpStorm.
+ * User: zw
+ * Date: 2019/3/12
+ * Time: 17:02
+ */
+
+class CouponNoEncodingUntils{
+    const OR_NOT_VALUE = 123123123123;
+
+    private function reverse($s){
+        return strrev($s);
+    }
+
+    public function encryptionCouponNo($couponNo){
+        $couponNo = $this->reverse($couponNo . "1");
+        return $couponNo ^ self::OR_NOT_VALUE;
+    }
+
+    public function decryptionCouponNo($couponNo){
+        $couponNo = $couponNo ^ self::OR_NOT_VALUE;
+        return substr($couponNo,-1);
+    }
+}
\ No newline at end of file